Alert archive / Texas / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 38
The Storm Prediction Center issued this severe thunderstorm watch at Mar 28, 2014, 3:57 PM CDT for 16 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2014, 3:57 PM CDT (20:57 UTC)
- Expired
- Mar 28, 2014, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Brazos County, TX, Burleson County, TX, Grimes County, TX, Hardin County, TX, Houston County, TX, Jasper County, TX, Liberty County, TX, Madison County, TX, Montgomery County, TX, Newton County, TX, Polk County, TX, San Jacinto County, TX, Trinity County, TX, Tyler County, TX, Walker County, TX, Washington County, TX
The radar
The Houston radar (KHGX), 161 km from the middle of the area, began a volume at 20:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 5:09 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Grimes, Houston, Madison, Trinity, Walker | 51 min |
| Mar 28, 6:02 PM CDT | Severe Thunderstorm Warning | HGX | Grimes, Houston, Madison, Montgomery, San Jacinto, Trinity and 1 more | 43 min |
| Mar 28, 6:59 PM CDT | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 31 min |
| Mar 28, 7:09 PM CDT | Severe Thunderstorm Warning | HGX | Harris, Liberty, Montgomery | 36 min |
| Mar 28, 7:09 PM CDT | Severe Thunderstorm Warning | LCH | Hardin, Jasper, Tyler | 66 min |
| Mar 28, 7:37 PM CDT | Tornado Warning | HGX | Harris, Liberty | 23 min |
| Mar 28, 7:54 PM CDT | Severe Thunderstorm Warning | LCH | Jasper, Newton | 66 min |
| Mar 28, 8:01 PM CDT | Severe Thunderstorm Warning | LCH | Hardin, Jasper, Jefferson, Newton, Orange | 59 min |
| Mar 28, 8:12 PM CDT | Severe Thunderstorm Warning | LCH | Hardin, Jasper, Newton, Tyler | 63 min |
| Mar 28, 8:58 PM CDT | Severe Thunderstorm Warning | LCH | Newton, Orange | 62 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.0 hours before the alert went out and 215 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2173 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 444 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.9
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 12:45 PM CDT | Mesoscale Discussion | SPC | Bossier, Claiborne, Lincoln, Morehouse, Union, Webster | 2 hr |
| Mar 28, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 14 more | 7 hr |
| Mar 28, 3:11 PM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto, Red River, Sabine, Webster | 94 min |
| Mar 28, 6:38 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 35 more | 3 hr |
| Mar 28, 6:53 PM CDT | Mesoscale Discussion | SPC | De Soto, Red River, Sabine | 2 hr |
| Mar 28, 12:35 PM CDT | Mesoscale Discussion | SPC | Anderson, Bell, Blanco, Bosque, Brazos, Burleson and 48 more | 115 min |
| Mar 28, 12:47 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bastrop, Bell, Blanco, Bosque, Burnet and 50 more | 6 hr |
| Mar 28, 5:19 PM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 5 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2014Every severe thunderstorm watch in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.